Table 1 Median-lethal doses of propoxur, DEET and their mixture on susceptible Ae. aegypti.

propoxur

1.97 (1.78–2.19)

0.27 (0.17–0.42)

1.01 (0.83–1.24)

DEET

1189 (1088–1299)

611 (596–629)

1078 (1005–1155)

mixture

319 (296–343)

406 (385–428)

128 (119–136)

mixture ratio P:D

1:600

1:2000

1:1000

propoxur

2.83 (0.19)

2.16 (0.18)

1.95 (0.22)

DEET

4.16 (0.42)

3.98 (0.12)

3.18 (0.20)

mixture

3.32 (0.18)

3.76 (0.20)

2.96 (0.14)